Convert km to miles

Swap conversion: miles to km

Facts and Curiosities

The word Kilometer is a combination of the prefix "kilo" (meaning thousand) with the word meter. That is the reason why one kilometer equals exactly one thousand meters. In spite of this, it should be noted that the abbreviation for the word kilometer is "km". To finish, never place the plural in the kilometer symbol, that is, whether it is 1 km or 8 km, the abbreviation should always appear in the singular.


The first time the term Mile was used to denote distance was in Ancient Rome. In this case, the earth mile was equivalent to 1000 steps (from the Latin, mille passus) given by the Centurion. Obviously, this measure was not accurate, since it depended on the size of the centurion's legs. In the case of the sea or nautical mile that came later, its calculation is much more scientific. Knowing that the equator line measures approximately 40,000 km, this value was divided by the 360º that this line does when circumventing the planet and then by 60 to convert to minutes. Thus a correspondence was established between the measurement of the equator and the sea mile.

Math Formula

`mi=km xx 0.62137`

Conversion Examples

km to miles km to miles
0.5 km = 0,3107 mi 30 km = 18,6411 mi
1 km = 0,6214 mi 35 km = 21,7480 mi
2 km = 1,2427 mi 40 km = 24,8548 mi
3 km = 1,8641 mi 45 km = 27,9617 mi
4 km = 2,4855 mi 50 km = 31,0685 mi
5 km = 3,1069 mi 60 km = 37,2822 mi
10 km = 6,2137 mi 70 km = 43,4959 mi
15 km = 9,3206 mi 80 km = 49,7096 mi
20 km = 12,4274 mi 90 km = 55,9233 mi
25 km = 15,5343 mi 100 km = 62,1370 mi
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